42-x+3=20

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Solution for 42-x+3=20 equation:


42-x+3=20

We simplify the equation to the form, which is simple to understand 
42-x+3=20

We move all terms containing x to the left and all other terms to the right. 
-1x=+20-42-3

We simplify left and right side of the equation. 
-1x=-25

We divide both sides of the equation by -1 to get x. 
x=25

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